| 桩-土-上部结构相互作用体系的非线性地震反应分析 |
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| 引用本文： | 罗庆英.桩-土-上部结构相互作用体系的非线性地震反应分析[J].邵阳学院学报(自然科学版),2008,5(1):87-90. |
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| 作者姓名： | 罗庆英 |
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| 作者单位： | 邵阳市建设局,工程质量检测中心,湖南,邵阳,422002 |
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| 摘 要： | 本文采用双线性等向硬化模型考虑结构的非线性，并用Drucker-Prager理想弹塑性模型模拟土的非线性，同时在桩-土接触面上设置接触单元模拟桩-土间的非线性，建立了一个桩-土-上部结构相互作用体系的有限元分析模型，对不同的建筑场地条件下桩-土-上部结构相互作用体系的地震响应进行了探讨，分析了结构的内力以及变形分布情况，得到了一些有应用价值的结论．
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| 关 键 词： | 分层土 桩基-结构相互作用 动力有限元 桩-土非线性 |
| 文章编号： | 1672-7010(2008)01-0087-04 |
| 修稿时间： | 2007年11月16 |
Nonlinear Seismic Response Analysis of Pile -Soil-Structure Interaction |
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| LUO Qing-ying.Nonlinear Seismic Response Analysis of Pile -Soil-Structure Interaction[J].Journal of Shaoyang University:Science and Technology,2008,5(1):87-90. |
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| Authors: | LUO Qing-ying |
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| Institution: | LUO Qing-ying (Construction Engineering Quality Supervision Station of Shaoyang City, Shaoyang 422002,China) |
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| Abstract: | Bilinear Isotropic yield criterion for the structure,and elastio-plastic constitutive model on Drucker-Prager yield crite- rion for the soil, the contact element on the pile-soil contact surface to simulate the contact nonlinearity, we established a finite element analysis model for the pile-soil-structure interaction system, explored the reponse of the system under the earthquake in different construction conditions, analysed the internal forces and displancements of the structure, received some valuable conclusions. |
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| Keywords: | Layered-soil interaction between pile-foundations and superstructure dynamic finite-element method nonlinearityof pile-soil |
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